LM2575HVT-12

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575HVT-12 is a 1A step-down switching voltage regulator from the LM2575HV series by TAEJIN. It operates with an input voltage range of 4V to 60V and provides a fixed 12V output. The device features a 58kHz internal oscillator and utilizes a TO-220-5 through-hole package. It supports operation temperatures from -40°C to +125°C, includes TTL shutdown capability, and incorporates thermal shutdown and current limit protection for system reliability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated 58kHz fixed-frequency internal oscillator simplifies external component requirements
• Built-in thermal shutdown and current limit protection ensures operational safety under fault conditions
• TTL shutdown pin enables low power standby mode control

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in distributed power supply architectures
• Pre-regulation stages for downstream linear regulators
• Battery-powered systems requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation carefully, as the LM2575 family is widely produced by multiple vendors including Texas Instruments. Confirm that the specific TAEJIN variant matches the required pinout and electrical tolerances for your design. Check datasheet revisions for any updates to absolute maximum ratings or recommended operating conditions before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required from a high-voltage input source up to 60V. The through-hole TO-220-5 package is suitable for applications where board space allows but thermal dissipation needs to be managed via heatsinking. Ensure the load current does not exceed 1A and verify that the 58kHz switching frequency aligns with your inductor selection constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2575HV series of simple step-down switching regulators. It is designed to replace traditional linear regulators in applications where efficiency and heat dissipation are critical concerns. The series offers various fixed voltage outputs and an adjustable version, providing flexibility for different power management needs within industrial and commercial equipment.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with LM2575HVT-12 equivalents from other manufacturers such as Texas Instruments or ON Semiconductor. Verify compatibility regarding pin configuration, thermal characteristics, and switching frequency before substitution.